Thomas Harte
c1457cc5e0
Attempt text mode data collection.
2023-02-13 22:20:47 -05:00
Thomas Harte
169d7a7418
Fix[/revert]: the fetch pointer should be _ahead_.
2023-02-13 21:10:14 -05:00
Thomas Harte
5143960970
Add notes to self on how to collect text.
2023-02-13 21:09:31 -05:00
Thomas Harte
40894964bc
Move VerticalState
to live with ScreenMode and FetchMode.
2023-02-13 09:54:29 -05:00
Thomas Harte
927e61484f
Map all events lists appropriately.
2023-02-12 23:02:51 -05:00
Thomas Harte
dce04e7219
Add a generator for character modes.
2023-02-12 22:54:08 -05:00
Thomas Harte
f5814b4c75
Add text-mode events list.
2023-02-12 22:45:11 -05:00
Thomas Harte
815a75d9b6
Extend generator to handle sprite collection.
2023-02-12 22:28:34 -05:00
Thomas Harte
4ad84e5047
Use generator for no-sprite events list.
2023-02-12 22:12:23 -05:00
Thomas Harte
8665dca7f0
Permit generator-based event-table generation.
2023-02-12 21:58:50 -05:00
Thomas Harte
41d57e03a6
Split out LineBuffer and Storage to make 9918Base more manageable.
2023-02-12 12:58:46 -05:00
Thomas Harte
914a9e0c84
Yamaha: don't touch address at all unless a RAM access.
2023-02-11 22:43:29 -05:00
Thomas Harte
8768ee1504
Merge branch 'MSX2' of github.com:TomHarte/CLK into MSX2
2023-02-11 22:40:03 -05:00
Thomas Harte
8e6c36bb15
Yamaha: don't part-modify address.
2023-02-11 10:35:42 -05:00
Thomas Harte
c6401f0444
Add TODO.
2023-02-07 22:28:18 -05:00
Thomas Harte
3c3efe3e22
Don't be so fussy.
2023-02-06 22:16:42 -05:00
Thomas Harte
7028bdd05d
Limit to 14 bits in old modes.
2023-02-06 22:16:31 -05:00
Thomas Harte
7cb51c021b
Observation: offset is needed only ephemerally.
2023-02-06 21:45:35 -05:00
Thomas Harte
a3df106f92
Reset write phase only upon traditional register accesses.
2023-02-06 20:32:24 -05:00
Thomas Harte
b538407386
Introduce separate state for palette entries.
2023-02-06 19:12:02 -05:00
Thomas Harte
c04d292c8e
Make this more obviously correct, albeit arbitrarily.
...
Comparing just a single bit would do.
2023-02-05 22:53:08 -05:00
Thomas Harte
f9c88fd598
Fix memory mask; mildly improve commentary.
2023-02-05 22:51:16 -05:00
Thomas Harte
7fcb1b29dd
Keep source within rectangle.
...
This gives something vaguely recognisable, sort of, for the test program I'm using.
2023-02-04 21:37:08 -05:00
Thomas Harte
6786e3e78c
Initialise to zero, for completeness.
2023-02-04 21:32:31 -05:00
Thomas Harte
67755c3811
Attempt [H/L]MMM.
2023-02-04 21:29:44 -05:00
Thomas Harte
c6372295c5
Complete ReadSourcePixel & ReadSourceByte paths.
2023-02-04 21:23:41 -05:00
Thomas Harte
a2786e6266
Invest Colour with its own logic, including potential emptiness.
2023-02-04 21:14:20 -05:00
Thomas Harte
a892523c09
Advance to the next breaking point.
2023-02-04 11:43:06 -05:00
Thomas Harte
ab595f5e8d
Merge branch 'MSX2' of github.com:TomHarte/CLK into MSX2
2023-02-04 11:02:10 -05:00
Thomas Harte
38950fe241
Sketch out remaining necessary @c AccessTypes.
2023-02-04 11:02:02 -05:00
Thomas Harte
46d009f27b
Add logical fill.
2023-02-04 10:31:41 -05:00
Thomas Harte
34722bae89
Start pivoting to a more natural expression of TMS patterns.
2023-02-03 23:06:27 -05:00
Thomas Harte
d41081c59f
Fix sections.
2023-02-02 21:55:00 -05:00
Thomas Harte
ec227ce021
Generalise rectangular operations.
2023-02-02 21:49:05 -05:00
Thomas Harte
83f6d1cda3
Prepare for source/destination operations.
2023-02-02 21:16:24 -05:00
Thomas Harte
6d315b4660
Switch to specifying number of bits, to reduce potential error.
2023-02-02 12:12:11 -05:00
Thomas Harte
debdad350d
Don't allow a disabled screen to interfere with Yamaha addressing.
2023-02-02 12:03:33 -05:00
Thomas Harte
0d4dc214fb
Merge branch 'MSX2' of github.com:TomHarte/CLK into MSX2
2023-02-02 11:38:45 -05:00
Thomas Harte
5d4c49c913
Attempt to enable high-speed fill.
2023-02-01 22:57:33 -05:00
Thomas Harte
8f5c7fcabc
Merge branch 'MSX2' of github.com:TomHarte/CLK into MSX2
2023-02-01 22:25:12 -05:00
Thomas Harte
115acf835e
Vertical state is actually tristate.
2023-02-01 22:25:00 -05:00
Thomas Harte
c0fec8db15
Clean up macro.
2023-02-01 15:05:21 -05:00
Thomas Harte
f0e70f18fd
Fix seeding of output_pointer_.
2023-02-01 14:59:42 -05:00
Thomas Harte
9d2841bf6a
Reenable full ram pointer capture. Thanks @PatrickvL !
2023-02-01 14:55:33 -05:00
Thomas Harte
4cc34fd557
Resolve GCC complaint.
2023-02-01 14:28:19 -05:00
Thomas Harte
3636383b1f
Silence abstract/non-virtual-destructor warning.
2023-02-01 14:20:11 -05:00
Thomas Harte
1264600bab
Shorten long lines.
2023-02-01 14:18:36 -05:00
Thomas Harte
002d27d9c2
Resolve various type conversion errors, and reduce duplication.
2023-02-01 14:17:49 -05:00
Thomas Harte
90e8ce3253
Fix lines.
...
TODO: determine whether I really need `location` as distinct from `.destination`.
2023-01-31 21:33:57 -05:00
Thomas Harte
a315384e30
Provide context for byte-by-byte commands.
2023-01-31 21:29:55 -05:00
Thomas Harte
c5c722ae56
Generalise axis steps; begin HMMV.
2023-01-31 13:35:39 -05:00
Thomas Harte
872b9e5021
Predict Yamaha horizontal retrace interrupts.
2023-01-30 21:33:47 -05:00
Thomas Harte
492a170b20
Implement much of Yamaha line interrupts.
2023-01-30 21:24:53 -05:00
Thomas Harte
30a2b1611f
Merge branch 'MSX2' of github.com:TomHarte/CLK into MSX2
2023-01-30 21:06:23 -05:00
Thomas Harte
29af5542f8
Make an effort at doing _something_ for G4.
2023-01-30 21:06:04 -05:00
Thomas Harte
bc4c54800e
Type out just a little of status register 1.
2023-01-30 20:20:33 -05:00
Thomas Harte
8f20cb93e9
Note missed status accesses.
2023-01-29 21:20:50 -05:00
Thomas Harte
73e79b14ea
Use Yamaha palette pervasively.
2023-01-29 21:17:00 -05:00
Thomas Harte
3142f5c21d
Be overt about what replaces LineMode.
2023-01-29 21:04:15 -05:00
Thomas Harte
6d7f189ce7
Attempt the full panoply of logical pixel modes, across all graphics modes.
2023-01-29 18:28:49 -05:00
Thomas Harte
a91a5b8d07
Refer to actual field.
2023-01-29 18:02:09 -05:00
Thomas Harte
4cdcd3ac7d
Retain logical operation, take colour combination outside the loop.
2023-01-29 13:29:19 -05:00
Thomas Harte
0576451102
Be overt about colour direction.
2023-01-29 13:22:56 -05:00
Thomas Harte
3f12a28f4f
Locate first pixel correctly.
2023-01-28 22:50:04 -05:00
Thomas Harte
41ba883fb6
Honour direction, start transfer immediately.
2023-01-28 22:47:27 -05:00
Thomas Harte
1e646eb57b
Improve transfer flag for LMMC.
2023-01-28 21:45:05 -05:00
Thomas Harte
2d6afe1013
Reduce repetition, tidy slightly.
2023-01-28 21:43:14 -05:00
Thomas Harte
d3c446d91b
Take a shot at LMMC.
2023-01-28 21:30:45 -05:00
Thomas Harte
975ead5d01
Edge towards not assuming graphics mode. Much more to do here.
2023-01-28 13:54:26 -05:00
Thomas Harte
c6cda7c401
Switch to absolute placement of deferred events; properly serialise commands.
2023-01-28 11:55:12 -05:00
Thomas Harte
7e69e33ec2
Use paletted Yamaha border colour.
2023-01-27 22:42:02 -05:00
Thomas Harte
95e00dd958
Take slightly wrong-headed steps towards proper command timing.
2023-01-27 22:20:36 -05:00
Thomas Harte
8a673a697b
Further adapt internal terminology.
2023-01-27 12:30:09 -05:00
Thomas Harte
75ad4cdb67
Fix line semantics.
2023-01-27 11:57:40 -05:00
Thomas Harte
d42b6df570
Retain extra pattern name address bits.
2023-01-27 06:44:11 -05:00
Thomas Harte
81b00c6d97
Add notes.
2023-01-26 22:25:10 -05:00
Thomas Harte
1e5f751bc0
Require STOP in order to stop.
2023-01-26 22:08:36 -05:00
Thomas Harte
9a65fffe16
That's PSET, not POINT.
2023-01-26 22:02:40 -05:00
Thomas Harte
515fa22bfe
Implement point.
2023-01-26 21:52:41 -05:00
Thomas Harte
66ac089cc2
Deallocate.
2023-01-26 21:49:32 -05:00
Thomas Harte
5d5098acb2
Hack in vertical scrolling.
2023-01-26 21:38:51 -05:00
Thomas Harte
1bf8406e7e
Correct deserialisation order.
2023-01-26 21:34:56 -05:00
Thomas Harte
75acbd2d6c
A quick hack shows some part of the MSX logo.
2023-01-26 21:31:49 -05:00
Thomas Harte
baa6f9b3cd
Implements the Command
side of the line command.
2023-01-26 21:17:11 -05:00
Thomas Harte
1c6a0ad3f7
Clean up repetition.
2023-01-26 19:51:56 -05:00
Thomas Harte
fbfa26ad5e
Minor steps towards implementing Line
.
2023-01-26 12:55:08 -05:00
Thomas Harte
b12fd00145
Generate an appropriate instance for line drawing.
2023-01-26 12:09:06 -05:00
Thomas Harte
0c8815d6a0
Retain command-engine context.
2023-01-26 11:59:27 -05:00
Thomas Harte
700470915a
Add pixel serialisation for Yamaha graphics mode 5.
2023-01-24 23:07:29 -05:00
Thomas Harte
f8b42d4107
While being lazy with types, implement 4/5/6/7 fetching.
2023-01-24 13:15:00 -05:00
Thomas Harte
63bd0f918d
Be overt about buffer target and vertical position.
2023-01-24 12:46:09 -05:00
Thomas Harte
445b34933a
Edge further towards actual fetching.
2023-01-23 23:19:04 -05:00
Thomas Harte
bbd8b011ba
Remove temporarily-faulty check.
2023-01-23 22:52:03 -05:00
Thomas Harte
15fbf4cb7f
Ensure Yamaha-style refresh is used in all modes.
2023-01-23 22:39:34 -05:00
Thomas Harte
7293f9dc10
Remove extraneous brackets, add comment to self.
2023-01-23 22:25:56 -05:00
Thomas Harte
8567c934b1
Ensure Yamaha refresh program is used.
2023-01-22 22:11:01 -05:00
Thomas Harte
2744a9b6b0
Tidy up.
2023-01-22 22:02:39 -05:00
Thomas Harte
91047e5b3a
Start attempting to use table-based Yamaha fetch.
2023-01-22 22:00:28 -05:00
Thomas Harte
c6dd7d4726
Transcribe no-sprite event list.
2023-01-22 20:19:21 -05:00
Thomas Harte
b7d80f5ed1
Copy in some notes, expand line buffer.
2023-01-21 23:04:48 -05:00
Thomas Harte
a5765abbad
Route into the Yamaha fetcher.
...
Albeit that it doesn't yet fetch.
2023-01-21 22:47:16 -05:00
Thomas Harte
696ec12516
Add address rotation for applicable modes.
2023-01-21 22:33:26 -05:00
Thomas Harte
c9734df65c
Implement extended colour, sprite and RAM pointers.
2023-01-21 20:45:23 -05:00
Thomas Harte
13e490e7d7
Log selected screen mode.
2023-01-21 14:48:55 -05:00
Thomas Harte
cefcc1d443
Expand Yamaha graphics mode recognition.
2023-01-21 14:35:26 -05:00
Thomas Harte
d1f929e6f7
Just do a multiply and divide. Easy.
2023-01-21 14:19:52 -05:00
Thomas Harte
e289e6e757
Catch and map Yamaha palette entries.
...
It's one less thing in the uncaptured log.
2023-01-21 14:12:46 -05:00
Thomas Harte
a726c9d97a
Enable indirect register writes.
2023-01-20 23:14:57 -05:00
Thomas Harte
c77e7c268f
1 = disable, 0 = enable.
2023-01-20 23:08:41 -05:00
Thomas Harte
9c57bfd58d
Attempt to log dropped indirect writes.
2023-01-20 23:07:14 -05:00
Thomas Harte
4efda108c6
Transcribe the Yamaha 9938 register meanings.
2023-01-20 23:00:33 -05:00
Thomas Harte
191cf4829b
Attempt real blank reporting.
2023-01-20 22:29:49 -05:00
Thomas Harte
9b7a925816
Give clearer names to the two pointers.
2023-01-20 20:29:15 -05:00
Thomas Harte
392b0acb58
Pull everything out of master_system_
struct.
...
Now that it's inherently collected in the relevant `Storage`.
2023-01-19 15:09:16 -05:00
Thomas Harte
4b7606894e
Move Master System state, and start simplifying.
2023-01-19 14:09:31 -05:00
Thomas Harte
1fb94d15ab
No need for this->
ugliness in Base
methods.
2023-01-19 12:32:42 -05:00
Thomas Harte
348c42bdea
Start trying to bluff my way through extended status.
2023-01-18 22:23:19 -05:00
Thomas Harte
e450e53c4e
Temporarily copy and paste my way to further logging.
2023-01-18 14:59:30 -05:00
Thomas Harte
355ee7fbc7
Adjust factoring of read and write per expanded V9938 scope.
2023-01-18 12:36:57 -05:00
Thomas Harte
4d96122884
Eliminate hard-coded assumption of 16kb.
...
Clearly I'll have to do something else to support 128k+, probably move the ram pointer?
2023-01-10 12:38:19 -05:00
Thomas Harte
f1f16d1f9a
Clarify and simplify half_cycles_before_internal_cycles.
2023-01-09 22:55:46 -05:00
Thomas Harte
fd14829992
Avoid hand-writing all the various conversions.
2023-01-09 22:34:56 -05:00
Thomas Harte
c0fe88a5bb
Apply clock conversion to existing usages of do_external_slot.
2023-01-09 13:54:49 -05:00
Thomas Harte
4d9d684618
Add TODO on dangling hard-coded conversion.
2023-01-08 21:44:25 -05:00
Thomas Harte
a0a835cf10
Export memory size into traits.
2023-01-08 21:37:20 -05:00
Thomas Harte
ef67205ce8
Set pixel count per mode.
2023-01-08 21:31:00 -05:00
Thomas Harte
794adf470b
Break assumption that cycles = pixels; fix pixel clocking.
2023-01-08 21:25:22 -05:00
Thomas Harte
8cc20844a9
Clock convert for draw_ calls.
2023-01-08 17:31:08 -05:00
Thomas Harte
b522d65c50
Fix border lengths.
2023-01-08 17:04:19 -05:00
Thomas Harte
cb19c2ffb0
Honour internal-clocked timing constants.
2023-01-08 14:10:06 -05:00
Thomas Harte
5f6ddf8557
Avoid expressing the same thing at different clock rates.
2023-01-08 13:58:12 -05:00
Thomas Harte
72e0bfecc1
Edge towards clock-independent line composition.
2023-01-07 14:57:32 -05:00
Thomas Harte
cdf547ac82
Decline to provide synthetic text mode timing on the Mega Drive.
2023-01-07 14:37:06 -05:00
Thomas Harte
dd5b4b484a
Avoid double responsibility for state.
2023-01-07 14:34:33 -05:00
Thomas Harte
56831e02fc
Expand fixed timing constants.
2023-01-07 13:10:51 -05:00
Thomas Harte
5d2d3944ef
Make VRAM access delay a timing property.
2023-01-07 12:48:43 -05:00
Thomas Harte
f9e21df701
Avoid further hard-coded 342s.
2023-01-07 09:13:34 -05:00
Thomas Harte
bb436204f6
Merge branch 'VDPs' of github.com:TomHarte/CLK into VDPs
2023-01-07 09:10:50 -05:00
Thomas Harte
de45536b5c
Elucidate a magic constant, add an extra constexpr.
2023-01-07 09:10:41 -05:00
Thomas Harte
ebc1264c2c
Create a common home for timing information.
2023-01-06 22:39:46 -05:00
Thomas Harte
4875148617
Fill in Mega Drive numbers.
2023-01-05 14:22:51 -05:00
Thomas Harte
7a82b76911
Ensure visibility of memset.
2023-01-05 13:21:03 -05:00
Thomas Harte
27d37f71ec
Generalise and better factor bit reversal and TMS drawing.
2023-01-05 13:18:10 -05:00
Thomas Harte
c4a5a9763e
Minor indentation improvement.
2023-01-02 15:04:50 -05:00
Thomas Harte
a9f97ac871
Fix nothing-to-do test.
2023-01-02 15:04:08 -05:00
Thomas Harte
475440dc70
Update ClockConverter for potential alternative clocks.
2023-01-02 14:59:36 -05:00
Thomas Harte
dc3f8f5e42
These are the three fetchers to implement.
...
They'll look fairly different from the TMS and SMS fetchers, I think, owing to the greater irregularity that comes with the smarter RAM accesses. I might need to play around for a while.
2023-01-01 22:44:06 -05:00
Thomas Harte
459ef39b08
constexpr
the TMS palette.
2023-01-01 22:34:07 -05:00
Thomas Harte
27812fd0e2
Separate fetchers into their own header.
2023-01-01 22:26:50 -05:00
Thomas Harte
38eb4d36de
Better explain cumulative nature of @c to_internal.
2023-01-01 22:18:39 -05:00
Thomas Harte
2bd20a0cf8
Add further exposition.
2023-01-01 22:17:21 -05:00
Thomas Harte
da61909ec5
Explain the purpose here.
2023-01-01 21:20:30 -05:00
Thomas Harte
5729ece7bb
Incompletely transitions towards more flexible clock ratios.
2023-01-01 14:20:45 -05:00
Thomas Harte
151f60958e
Relocate the 9918 implementation file.
2023-01-01 14:01:19 -05:00
Thomas Harte
180045ada6
Convert vram_access_delay
into a free-standing function.
2023-01-01 13:51:52 -05:00
Thomas Harte
11542e7a7f
Improve const correctness, simplify inheritance.
2023-01-01 13:49:11 -05:00
Thomas Harte
71598250ea
Improve commentary.
2023-01-01 13:41:51 -05:00
Thomas Harte
ffb0b2ce0b
Eliminate runtime duplication of personality.
2022-12-31 21:50:57 -05:00
Thomas Harte
b7c315058f
Also template Base
.
2022-12-31 21:47:05 -05:00
Thomas Harte
7d6eac2895
Template the TMS on its personality.
...
Template parameter currently unused, but preparatory to other improvements.
2022-12-31 15:08:33 -05:00
Thomas Harte
d79aac3081
Shuffle the personality enum into the 'public' header.
2022-12-31 15:01:11 -05:00
Thomas Harte
8d5547dc9e
Minor further style improvements.
...
... as I refamiliarise myself.
2022-12-29 22:09:14 -05:00
Thomas Harte
5d89293c92
Improve const
ness, primarily of reverse_table
.
2022-12-29 11:29:19 -05:00
Thomas Harte
711f7b2d75
C++17 makes this a single step.
2022-12-27 22:50:12 -05:00
Thomas Harte
dca8c51384
Prefer to avoid a macro.
2022-12-27 22:36:27 -05:00
Thomas Harte
462b7dcbfa
Add Mega Drive VRAM size.
2022-12-27 22:28:43 -05:00
Thomas Harte
2ab4b351ca
Extend enum.
2022-12-27 22:20:47 -05:00
Thomas Harte
99ced5476f
Add quick clock-rate notes.
2022-12-26 22:56:45 -05:00
Thomas Harte
1d5144b912
Correct no-interrupt signal.
2021-06-04 22:38:07 -04:00
Thomas Harte
1266bbb224
Makes the TMS a sequence-point-generating JustInTimeActor.
2021-04-05 21:02:37 -04:00
Thomas Harte
650b9a139b
Tweak Master System blue scale.
2021-03-19 08:38:21 -04:00
Thomas Harte
a17d0e428f
Protects against some further uninitialised values.
2020-09-16 18:15:57 -04:00
Thomas Harte
3cb1072c29
Adds an explicit [[fallthrough]] tag.
2020-06-19 23:10:25 -04:00
Thomas Harte
267006782f
Starts to add Qt target; resolves many build warnings.
2020-05-30 00:37:06 -04:00
Thomas Harte
512a52e88d
Increases const correctness, marks some additional constructors as constexpr, switches std::atomic construction style.
2020-05-20 23:34:26 -04:00
Thomas Harte
66c2eb0414
Further tightens const
and constexpr
usage.
2020-05-12 22:22:21 -04:00
Thomas Harte
25996ce180
Further doubles down on construction syntax for type conversions.
2020-05-09 23:00:39 -04:00
Thomas Harte
a7e1920597
Restores ColecoVision runtime options.
2020-03-18 00:06:52 -04:00
Thomas Harte
9d97a294a7
Corrects the TMS' get_scaled_scan_status
.
...
I think all platforms are now returning credible numbers.
2020-01-22 19:34:10 -05:00
Thomas Harte
a71c5946f0
Ensures proper manipulation of scan_statuses, leading to the correct result out of a CRTMachine.
...
Possibly with the exception of the TMS, as I appear to have uncovered an unrelated issue there.
2020-01-21 22:28:25 -05:00
Thomas Harte
d97a073d1b
Adds the necessary routine for all machines to be able to respond to get_scan_status.
...
They all just as the CRT, as all are currently based on the CRT. Which doesn't currently know the total clock rate it would need to in order properly to scale the answer to the question. Further thought coming.
2020-01-20 21:45:10 -05:00
Thomas Harte
c1bae49a92
Standardises on read
and write
for bus accesses.
...
Logic being: name these things for the bus action they model, not the effect they have.
2020-01-05 13:40:02 -05:00
Thomas Harte
274867579b
Deploys constexpr
as a stricter const
.
2019-12-22 00:22:17 -05:00
Thomas Harte
a847654ef2
Corrects various old-fashioned bits of indentation, plus the odd const.
2019-12-22 00:00:23 -05:00
Thomas Harte
1c154131f9
Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate.
2019-10-29 22:36:29 -04:00
Thomas Harte
929475d31e
Minor correction: round down, not up.
2019-09-28 23:49:32 -04:00
Thomas Harte
d97348dd38
Eliminates dangling uses of printf
.
2019-03-02 18:07:05 -05:00
Thomas Harte
601961deeb
Wires through set_display_type
.
2018-11-29 20:44:21 -08:00
Thomas Harte
64465f97b6
Starts towards reintroducing the proper mechanisms for selecting a display type at runtime.
2018-11-28 17:53:33 -08:00
Thomas Harte
5618288459
Reduces visible area, producing a tighter crop.
2018-11-25 22:32:12 -05:00
Thomas Harte
ee89be6730
Removes many stray spaces.
2018-11-23 22:32:32 -05:00
Thomas Harte
770d7e90e9
Removes stale sampling functions.
2018-11-22 22:47:29 -05:00
Thomas Harte
c5d9bf2c12
Optimises slightly for black borders.
...
Specifically to help to debug proper display of unused lines in the new scan target.
2018-11-17 18:23:42 -05:00
Thomas Harte
15b1176841
Ensures no border output if space is not allocated.
2018-11-14 22:32:33 -05:00
Thomas Harte
9dff13cbbf
Re-establishes output from the machines with 9918s and derivatives.
2018-11-14 22:25:19 -05:00
Thomas Harte
6d277fecd5
Makes ScanTarget
a little more communicative and orthogonal.
2018-11-10 19:52:57 -05:00
Thomas Harte
f6562de325
Possibly adds enough for the Electron and ZX80 to start outputting dummy lines.
...
Let's see!
2018-11-03 23:40:39 -04:00
Thomas Harte
b40211d2c0
Starts to bend 'CRTMachine' to a world farther from owning the GPU relationship.
2018-11-03 21:54:25 -04:00
Thomas Harte
da4d883321
Adds first, incomplete attempts to talk to a ScanTarget from the CRT.
...
Does away with the hassle of `unsigned` while I'm here; that was a schoolboy error.
2018-11-03 19:58:44 -04:00
Thomas Harte
f65d80b7d1
Ensures offset and flags are initialised to 0.
...
This prevents a potential crash at startup.
2018-10-29 22:09:32 -04:00